Composition and method for producing same
US11898077B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | Feb 12, 2021 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Feb 12, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An object is to provide a composition that contains a phosphorus-containing carbon quantum dot and can efficiently emit relatively long wavelength light. The composition to achieve the above object contains: a phosphorus-containing carbon quantum dot containing phosphorus as a heteroatom; and a smectite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.